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Cushion|Natural|GIA

1.00ct H SI2 Cushion Natural Diamond

ID • H/SI2 • GIA 1559568970

Certificate GIA 1559568970

Diamond specifications and retailer prices

From £699 GBP
As of November 6, 2026
Save £686 GBP (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,384 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559568970. Listed at 7 retailers as of November 4, 2026, with prices from £699 to £1,384, a £686 spread on the same certified stone. MOH London lists it at £1,384. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559568970
Dimensions5.87 × 5.67 × 3.85 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
5.87 mm5.67 mm1.00 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559568970
Side View
Table 67.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,384 GBP|Low: £669 GBP|High: £2,505 GBP|Avg: £1,063 GBP|-44.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5£699 GBP
Retailer 4£740 GBP
Retailer 6£792 GBP
Retailer 2£878 GBP
Retailer 8£891 GBP
Retailer 3£914 GBP
Retailer 7£1,200 GBP
MOH London£1,384 GBP

44 data points across 8 retailers

7 retailers£699 GBP to £1,384 GBP

A
Cheapest Retailer
-
£699 GBP
Final sale: no returns
A
Retailer 2
-
£740 GBP
View
Retailer 3
-
£792 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£878 GBP
View
Retailer 5
-
£891 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£914 GBP
View
Most Expensive
B+
MOH London
045343688 · Nov 4
£1,384 GBP
View
6 more retailers have this diamond
Prices start from £699 GBPSave up to £686 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Cushion
£699 GBP